CN205496999U - Press from both sides cover subassembly and clamping device - Google Patents

Abstract

The utility model discloses a press from both sides the cover subassembly for clamp shaft class part, including slider, clamp cover and two at least clamping jaws, it includes the fixed part and the elasticity portion of carrying on the back the setting along self axial mutually to press from both sides the cover, the fixed part is used for setting firmly in external equipment, elasticity portion includes two at least double walls, and two at least double wall draw -around form the double -layered hole that is used for clamp shaft class part, and the double wall has the axial direction slope in contact surface, the extending direction looks butt clamp hole of contact surface, the clamping jaw is unanimous with the quantity of double wall, and the clamping jaw can be dismantled and connect on the double wall. The utility model provides a clamping components's the elasticity portion of overlapping of pressing from both sides comprises at least two double walls to forming the double -layereds hole that is used for clamp shaft class part after two at least double walls are gathered together, realizing accurate centering for various axle type parts, the commonality is stronger, and cooperatees with elasticity portion through the slider, so that elasticity portion is along with the slip of slider, its double wall is gathered together towards the center, so that the diameter in clamp hole reduces. The utility model also provides a clamping device.

Description

A kind of chuck assembly and clamping device

Technical field

This utility model relates to a kind of technical field of mechanical equipment, particularly relates to a kind of chuck assembly and clamping device.

Background technology

Along with the development of science and technology, manufacturing competition is the fiercest, reduces manufacturing cost and manufacturing cycle It it is growth requirement.

During Digit Control Machine Tool processing circular shaft-type parts, in order to ensure that crudy mainly uses traditional three-jaw to clamp Mode is processed, and three-jaw ensure that the concentricity requirement of clamping each time, namely precision centering.But it is real Find that three-jaw clamping exists following defect with novel people: 1, single component kind small lot adds man-hour, and three-jaw presss from both sides Holding and once can only process a circular shaft-type parts, number of changing knife is many, and the shutdown clamping time is many, lathe utilization rate The highest, cause production efficiency low；2, many parts kind small lot adds man-hour, the corresponding cartridge clip of each part Pawl, cost is relatively big, and fixture quantity is not easy to management more.

Utility model content

The purpose of this utility model is to provide that a kind of versatility is relatively strong, can clamp multiple circular shaft type to be processed The chuck assembly of part and clamping device.

In order to solve above-mentioned technical problem, this utility model provides a kind of chuck assembly, for clamp shaft class Part, including slide block, chuck and at least two jaw；

Described chuck includes the fixed part along self axial opposing setting and elastic part；Described fixed part is used for It is fixedly arranged on external equipment；Described elastic part includes that at least two double wall, described at least two double wall crowd around formation For clamping the folder hole of described axial workpiece, described double wall has contact surface, the bearing of trend of described contact surface The axial direction of the most described folder hole tilts；Described jaw is consistent with the quantity of described double wall, and described jaw can Dismounting is connected on described double wall；

Described slide block is slidably connected to described chuck, and contact surface described in described shoe contact, described slip phase During described chuck is slided, contact surface described in described slipper push, so that described at least two double wall Radial direction along described folder hole is gathered towards the central shaft of described folder hole respectively, jaw clamping described at least two Described axial workpiece.

Wherein, the contact surface of described double wall be along described fixed part to described elastic part direction external diameter gradually Become the big conical surface；Described slide block offers slide opening, and described chuck is positioned in described slide opening, and described slide opening is taper hole.

Wherein, described double wall includes along the axially extending of described folder hole and away from the top end face of described fixed part, Described chuck also includes the annular protrusion consistent with the quantity of described double wall, and described annular protrusion is located on described On the top end face of double wall, described annular protrusion includes the first end face of the axial opposing setting along described folder hole With the second end face, slide block described in described first end contact；Described jaw is removably connected to described second end On face.

Wherein, described jaw is connected by screw on described second end face.

Wherein, the quantity of described double wall is four.

Wherein, described chuck is two, and said two chuck is slidably connected on described slide block respectively.

This utility model embodiment additionally provides a kind of clamping device, including power control mechanism, drive mechanism With least one set chuck assembly；

Described drive mechanism includes that fixed plate and elevating lever, described fixed plate are fixed on described power control mechanism On, described elevating lever passes described fixed plate, and the two ends of described elevating lever are connected to described power control In mechanism processed and described slide block；

The fixed part of described chuck is fixed in described fixed plate；

When described elevating lever rises, described slide block is slidably connected to described chuck, and described shoe contact institute State contact surface, during the most described chuck of described slip slides, contact surface described in described slipper push, So that described at least two double wall is gathered towards the central shaft of described folder hole respectively along the radial direction of described folder hole, Jaw described at least two clamps described axial workpiece.

Wherein, described drive mechanism also includes two guide posts, and one end of two described guide posts is fixed respectively It is connected in described fixed plate, and described chuck is between two described guide posts, two described guide posts The other end be slidably connected to respectively on described slide block.

Wherein, described power control mechanism includes base, Power Component and latch assembly, described Power Component Being arranged on described base, and be connected to one end of described elevating lever, described latch assembly is arranged at the described end On corner on seat, described latch assembly is for locking onto external equipment by described base.

Wherein, described latch assembly includes locking cylinder, first spheroid and multiple second spheroid and locking Bar；

One end loops of described locking cylinder sets and convexes to form limiting section, described locking cylinder through described base and Described limiting section is attached on described base, and another end of described locking cylinder is offered and described second spheroid Corresponding lockhole；

The plurality of second spheroid is arranged at the inside of described locking cylinder, and described second spheroid is directed at described lock Hole, described first spheroid is arranged on the plurality of second spheroid；

Described check lock lever is slidably connected in described locking cylinder, and described check lock lever is resisted against described first spheroid On；

When pressing under described check lock lever, described first spheroid extrudes the plurality of second spheroid, so that described the Two spheroids are positioned in described lockhole.

Wherein, the quantity of described chuck assembly is three groups.

Wherein, described clamping device also includes that protective cover, described protective cover are fixed in described fixed plate, institute Stating the top of protective cover just to described slide block, described jaw is positioned at the outside of described protective cover.

Wherein, described clamping device also includes switch, and described switch is electrically connected to described power control mechanism.

Wherein, the quantity of described chuck assembly is three groups.

The elastic part of the clamp assembly of this utility model offer and the chuck of clamping device is by least two double wall group Become, and at least two double wall gathers the folder hole formed afterwards for clamping axial workpiece, for various axle classes zero Part realizes precision centering, and versatility is relatively strong, and is matched with elastic part by slide block so that elastic part with Writing the slip of slide block, its double wall is gathered towards center, so that the diameter of folder hole reduces, and chuck assembly and power Controlling organization and drive mechanism match so that clamping device can Automatic-clamping and unclamp axial workpiece, energy The enough automatic processing disposably carrying out multiple axial workpiece, thus provide that a kind of versatility is relatively strong, can press from both sides Hold chuck assembly and the clamping device of multiple circular shaft-type parts to be processed.

Accompanying drawing explanation

In order to be illustrated more clearly that the technical solution of the utility model, will make required in embodiment below Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing the most of the present utility model Some embodiments, for those of ordinary skill in the art, in the premise not paying creative work Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.

Fig. 1 is the schematic diagram of the clamping device that this utility model embodiment provides；

Fig. 2 is the decomposing schematic representation of the clamping device shown in Fig. 1；

Fig. 3 is the decomposing schematic representation of another angle of the clamping device shown in Fig. 1；

Fig. 4 is the decomposing schematic representation of the chuck assembly of the clamping device shown in Fig. 1；

Fig. 5 is the decomposing schematic representation of the latch assembly of the clamping device shown in 1.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, to the skill in this utility model embodiment Art scheme is clearly and completely described.

Refer to Fig. 1 to Fig. 4, a kind of clamping device 100 provided for this utility model, including dynamic Control Mechanism 1, drive mechanism 2 and least one set chuck assembly 3；Power control mechanism 1 controls drive mechanism 2 to be done Elevating movement, so that least one set chuck assembly 3 is gathered accordingly along with the lifting of drive mechanism 2 and unclamps, With Automatic-clamping and unclamp axial workpiece 6；

Chuck assembly 3 includes slide block 31, chuck 32 and at least two jaw 33；Chuck 32 includes along certainly The fixed part 321 of the axial opposing setting of body and elastic part 322；Fixed part 321 is used for being fixedly arranged on external equipment； Elastic part 322 includes that at least two double wall 3221, at least two double wall 3221 crowd around formation for clamp shaft class The folder hole 3222 of part 6, double wall 3221 has the bearing of trend phase of contact surface 3221e, contact surface 3221e The axial direction of folder hole 3222 is tilted；Jaw 33 is consistent with the quantity of double wall 3221, and jaw 33 is removable Unload and be connected on double wall 3221；

Drive mechanism 2 includes fixed plate 21 and elevating lever 22, and fixed plate 21 is fixed on power control mechanism 1 On, elevating lever 22 is through fixed plate 21, and the two ends of elevating lever 22 are connected to power control mechanism 1 With on slide block 31；

The fixed part 321 of chuck 32 is fixed in fixed plate 21；

When elevating lever 22 rises, slide block 31 is slidably connected to chuck 32, and slide block 31 contacts contact face 3221e, during the relative chuck 32 that slides slides, slide block 31 promotes contact surface 3221e, so that at least Two double walls 3221 are gathered towards the central shaft of folder hole 3222 respectively along the radial direction of folder hole 3222, and at least two Individual jaw 33 clamps axial workpiece 6.

The elastic part 322 of the chuck 32 of chuck assembly 3 and clamping device 100 is by least two double wall 3221 Form, and at least two double wall 3221 gather the folder hole 3222 formed afterwards for clamping axial workpiece 6, Realizing precision centering for various axial workpieces 6, versatility is relatively strong, and by slide block 31 and elastic part 322 Match, so that elastic part 322 is gathered towards center with the slip of work slide block 31, its double wall 3221, with The diameter making folder hole 3222 reduces, and chuck assembly 3 matches with power control mechanism 1 and drive mechanism 2, Make the clamping device 100 can Automatic-clamping and unclamp axial workpiece 6, it is possible to disposably to carry out multiple axle class zero The automatic processing of part 6, thus provide that a kind of versatility is relatively strong, can clamp multiple circular shaft type to be processed zero The chuck assembly 3 of part 6 and clamping device 100.

In the present embodiment, power control mechanism 1 includes base 11 and Power Component 2.Wherein, base 11 Material be metal, be shaped as rectangle, base 11 is for being fixed to automation equipment by clamping device 100. Base 11 includes upper bottom surface 111 and the bottom surface 112 of opposing setting, two baffle plate 111a of upper bottom surface 111 projection, It is provided with spacing between two baffle plate 111a.

Power Component 2 is arranged between two baffle plate 111a.The quantity of Power Component 2 and chuck assembly 3 Quantity is corresponding, one group of corresponding one group of chuck assembly 3 of Power Component 2.Power Component 2 includes cylinder and pressure regulator valve. Pressure regulator valve is connected with cylinder gas circuit, so that pressure regulator valve can adjust the gas circuit size of cylinder at any time, it is ensured that cylinder Gas circuit stable.It should be understood that cylinder can also be by oil hydraulic cylinder or other similar cylinder body agency.

Preferably, clamping device 100 also includes switching 4, and switch 4 is electrically connected to power control mechanism 1.Tool Body, switch 4 is consistent with the quantity of Power Component 2, so that switch 4 one Power Component 2 of control. Wherein, switch 4 is hand valve, and the gas circuit folding/closed mode of switch 4 control cylinder, to control chuck group Part 3 clamps or unclamps axial workpiece 6.

In the present embodiment, fixed plate 21 screw is connected on two baffle plate 111a, i.e. fixed plate 21 is positioned at The top of cylinder.Fixed plate 21 offers driving hole 21a, so that elevating lever 22 passes fixed plate 21 with solid Determine the cylinder-driven below plate 21 to connect.Elevating lever 22 does rise and fall accordingly along with the gas circuit size of cylinder Motion.

In the present embodiment, in order to improve the working (machining) efficiency of clamping device 100 further, chuck assembly 3 Quantity is three groups.Concrete, switch 4 is three；The quantity of Power Component 2 is three groups；Elevating lever 22 Quantity is three groups；The duty of one switch 4 one group of Power Component 2 of control；One group of Power Component 2 drives A dynamic elevating lever 22 rise and fall, an elevating lever 22 controls the rise and fall of a slide block 31.

In the present embodiment, chuck 32 is rotary body.The fixed part 321 of chuck 32 is fixed on by screw In fixed plate 21, fix with the axial freedom by chuck 32.

Preferably, the quantity of double wall 3221 is four, improves the accuracy of elastic part 322 centering further. Concrete, double wall 3221 includes the medial surface 3221b and lateral surface 3221a of opposing setting, is connected to inner side Top end face 3221c between face 3221b and lateral surface 3221a.Lateral surface 3221a contacts with slide block 31. It should be understood that lateral surface 3221a includes straight cambered surface 3221d and the contact surface 3221e being sequentially connected with, Cambered surface 3221d forms the face of cylinder near fixed part 321, four cambered surfaces 3221d；Contact surface 3221e be along The conical surface that the direction external diameter of fixed part 321 to elastic part 322 becomes larger, four conical surfaces form a frustum Face, to be converted into the power to contact surface 3221e radial direction so that four double walls 3221 by the power that slide block 31 rises Can gather towards the central shaft of folder hole 3222 respectively along the radial direction of folder hole 3222, to clamp axial workpiece 6. Certainly, in other embodiments, contact surface 3221e can also be other structure, as long as slide block can be met 31 promote contact surface 3221e so that at least two double wall 3221 along folder hole 3222 radial direction respectively towards The function that the central shaft of folder hole 3222 is gathered, such as, contact surface 3221e can also be by multistage ladder Face forms.

The medial surface 3221b of four double walls 3221 forms folder hole 3222, it is possible to understand that, this folder hole 3222 Diameter being diminished, along with lateral surface 3221a by along chuck 32 extruding radially along with lateral surface 3221a Disappear along extruding force radially and become big, thus realize the function of clamping and release axial workpiece 6.Can manage Solve, owing to axial workpiece 6 is positioned in folder hole 3222, then axial workpiece 6 add the center of circle in man-hour i.e. it has been determined that For the center of circle of folder hole 3222, regardless of the axial workpiece 6 of size, all need not need as machinery pawl Size according to part comes again the center of circle of part.Add man-hour, it is only necessary to be defined as by the initial point of Digit Control Machine Tool The center of circle of folder hole 3222 can be processed cutting.Certainly, in other embodiments, the number of double wall 3221 Amount can also according to practical situation relative set, such as, the quantity of double wall 3221 can be three, five Individual or six, etc..

In the present embodiment, jaw 33 is soft pawl, and the material of jaw 33 is aluminium alloy.It should be understood that The material of jaw 33 can also be rustless steel.According to the classification of axial workpiece 6, select the jaw of correspondingly-sized 33, and it is removably connected to the top end face 3221c of double wall 3221.Concrete, the quantity of jaw 33 is Four.Four corresponding four double walls 3221 of jaw 33, also form the folder hole carrying out part for clamping and release axle 3222。

In the present embodiment, slide block 31 is slidably connected on chuck 32, and is fixed on elevating lever 22, with When making elevating lever 22 move up and down under the driving of cylinder, slide block 31 also corresponding axial along chuck 32 Rise or fall.Slide block 31 offers slide opening 31a, and chuck 32 is positioned in slide opening 31a, and slide opening 31a is and connects The taper hole that contacting surface 3221e is corresponding.It is appreciated that internal diameter less for slide opening 31a is more than four lateral surface 3221a External diameter sum so that between slide block 31 and four lateral surface 3221a formed matched in clearance, it is simple to slide block 31 Do rise and fall activity, thus improve the reliability of clamping device 100.When elevating lever 22 is in the driving of cylinder Under when doing ascending motion, slide block 31 along with elevating lever 22 rising and opposing slider 31 rises, slide block 31 During the contact surface 3221e of four double walls 3221 of contact, the contact surface 3221e of four double walls 3221 Radial direction gradually stress and gather towards the central shaft of folder hole 3222 respectively along the radial direction of folder hole 3222, with The diameter making folder hole 3222 diminishes and can clamp to carry out follow-up processing by axial workpiece 6；Work as elevating lever 22 when doing descending motion under the driving of cylinder, slides the decline along with elevating lever 22 and opposing slider 31 times Fall, slide block 31 gradually leaves the contact surface 3221e of four double walls 3221, the contact surface of four double walls 3221 The stress of the radial direction of 3221e tapers into, and along the radial direction of folder hole 3222 respectively away from folder hole 3222 Central shaft scatter, so that the diameter table of folder hole 3222 is big and can be taken from chuck 32 by axial workpiece 6 Go out, it is achieved the Automatic-clamping of clamping device 100 and automatically unclamping.

In order to further improve, chuck 32 is two, and two chucks 32 are slidably connected to slide block respectively On 31.

In the present embodiment, slide block 31 offers two slide opening 31a, a corresponding chuck 32 of slide opening 31a. In order to optimize the structure of clamping device 100 further, elevating lever 22, between two chucks 32, i.e. rises The fixed connection place of fall bar 22 and slide block 31 is between two slide opening 31a, so that slide block 31 is along with lifting When bar 22 lifts, the left and right sides of slide block 31 can be the most steady.One slide block 31 can control simultaneously The state of two chucks 32, improves the working (machining) efficiency of clamping device 100.Certainly, in other embodiments, One slide block 31 can also the most corresponding chuck 32.

In order to further improve, the quantity of chuck assembly 3 is three groups.

In the present embodiment, switch 4 is three；The quantity of Power Component 2 is three groups；The number of elevating lever 22 Amount is three groups；The duty of one switch 4 one group of Power Component 2 of control；One group of Power Component 2 drives The rise and fall of a piece elevating lever 22, an elevating lever 22 controls the rise and fall of a slide block 31,

In order to further improve, chuck 32 also includes the annular protrusion consistent with the quantity of double wall 3221 3223, annular protrusion 3223 is located on the top end face 3221c of double wall 3221, and annular protrusion 3223 includes The first end face of axial opposing setting and the second end face, the first end contact slide block 31 along folder hole 3222； Jaw 33 is removably connected on the second end face.

By setting annular protrusion 3223 at top end face 3221c ring, anti-limited slip block 31 will not take off in uphill process From chuck 32, optimize the structure of chuck assembly 3 further, thus improve the reliability of clamping device 100.

In the present embodiment, annular protrusion 3223 forms cascaded surface with contact surface 3221e.Annular protrusion 3223 External diameter more than the larger diameter of slide opening 31a of slide block 31 so that slide block 31 rises to top end face 3221c Time the first end be close to slide block 31 and make to continue to rise, thus anti-limited slip block 31 will not in uphill process Depart from chuck 32, optimize the structure of chuck assembly 3 further, thus improve the reliability of clamping device 100. Certainly, in other embodiments, chuck 32 can also be by making the week of the bigger diameter of contact surface 3221e Face can be far longer than the side face of slide opening 31a larger interior diameter to replace annular protrusion 3223, in case limited slip block 31 Chuck 32 is departed from uphill process.

Preferably, jaw 33 is connected by screw on the second end face.Wherein, the second end face offers four spiral shells Nail, to be connected to jaw 33 on the second end face by four screws.

In order to further improve, drive mechanism 2 also includes two guide posts 23, two guide posts 23 One end is respectively fixedly connected with in fixed plate 21, and chuck 32 is between two guide posts 23, leads for two It is slidably connected to respectively on slide block 31 to the other end of bar 23.

By arranging two guide posts 23, improve stationarity when slide block 31 slides further, with more accurate Control chuck 32 clamping with unclamp.

In the present embodiment, owing to chuck 32 is three, corresponding guide post 23 is the six roots of sensation.Fixed plate 21 On be respectively arranged with three guide posts 23 in the both sides of chuck 32, slide block 31 correspondence slidably connects two Root guide post 23, so that slide block 31 can vertically rise or fall, when raising slide block 31 slides further Stationarity, with the clamping of more precise control chuck 32 with unclamp.

In order to further improve, refer to Fig. 5, power control mechanism 1 also includes latch assembly 13, Power Component 2 is arranged on base 11, and is connected to one end of elevating lever 22, and latch assembly 13 is arranged at On corner on base 11, latch assembly 13 is for locking onto external equipment by base 11.

By arranging latch assembly 13 on the pedestal 11, so that clamping device 100 can lock onto Digit Control Machine Tool Deng on external equipment.

In the present embodiment, latch assembly 13 is four, and four latch assemblies 13 are respectively arranged at base 11 Four corners on so that clamping device 100 can lock onto on the external equipments such as Digit Control Machine Tool.

Preferably, latch assembly 13 includes 131, first spheroid 132 of locking cylinder and multiple second spheroid 133 and check lock lever 134；One end loops of locking cylinder 131 sets and convexes to form limiting section 131a, locking cylinder 131 are attached on base 11 through base 11 and limiting section 131a, and another end of locking cylinder 131 is opened If the lockhole 131b corresponding with the second spheroid 133；Multiple second spheroids 133 are arranged at the interior of locking cylinder 131 Portion, and the second spheroid 133 is directed at lockhole 131b, the first spheroid 132 is arranged on multiple second spheroid 133； Check lock lever 134 is slidably connected in locking cylinder 131, and check lock lever 134 is resisted against on the first spheroid 132； When check lock lever is pressed for 134 times, the first spheroid 132 extrudes multiple second spheroid 133, so that the second spheroid 133 It is positioned in lockhole 131b.

It should be understood that locking cylinder 131 is for having an inner chamber, an opening and a blind end and outer Side face is provided with the column-shaped barrel of spacing preiection.Locking cylinder 131 is arranged in base 11, and locking cylinder 131 Limiting section 131a is resisted against on base 11, the degree of freedom axial to show locking cylinder 131.Locking cylinder 131 Close on and on the side face of blind end, uniformly offer three lockhole 131b.Locking cylinder 131 is closed on the inner chamber of opening and is offered Female thread.First spheroid 132 is identical with the second spheroid 133.It should be understood that the first spheroid 132 and Two spheroids 133 are all steel ball.Second spheroid 133 is three.Three the second spheroids 133 are triangular in shape accommodating In the inner chamber of locking cylinder 131, and each autoregistration lockhole 131b, and the sphere diameter of the second spheroid 133 is more than The diameter of lockhole 131b, to prevent the second spheroid 133 from ejecting from lockhole 131b；First spheroid 132 as On three the second spheroids 133.Check lock lever 134 is threadedly connected in locking cylinder 131, and check lock lever 134 End alignment the second spheroid 133.When clamping device 100 needs to lock onto on the outside upper equipment such as Digit Control Machine Tool, Rotation lock bar 134, makes the end of check lock lever 134 be resisted against on the first spheroid 132, and the second spheroid 133 exists Move away from the first spheroid 132 under the active force of the first spheroid 132 and partly protrude lockhole 131b, with It is sticked on Digit Control Machine Tool, it is achieved locking, thus realizes the external equipments such as clamping device 100 and Digit Control Machine Tool Quickly location and locking.Certainly, in other embodiments, latch assembly 13 can also be other structure.

In order to further improve, clamping device 100 also includes that protective cover 5, protective cover 5 are fixed on fixing On plate 21, the top of protective cover 5 is just to slide block 31, and jaw 33 is positioned at the outside of protective cover 5.

By arranging protective cover 5, chuck assembly 3 is protected further, prevent chuck assembly 3 from flying into broken Bits, affect the reliability of clamping device 100.

In the present embodiment, two relative sidewalls of protective cover 5 are connected by screw in fixed plate 21, The cover of protective cover 5 backs down and sets six cage apertures, and a chuck 32 is positioned at a cage apertures, and jaw 33 stretches out cage apertures, So that clamping device 100 is processed in Digit Control Machine Tool, the chip that lathe cuts down will not fly into protective cover 5 Inside, further protective folder grip assembly 3.

When clamping device 100 begins to use, first pass through latch assembly 13 and base 11 is lock onto numerical control Lathe carries out cutting processing, particularly as follows: rotation lock bar 134, makes the end of check lock lever 134 be resisted against first On spheroid 132, the second spheroid 133 under the active force of the first spheroid 132 away from the first spheroid 132 Move and partly protrude lockhole 131b, to be sticked on Digit Control Machine Tool, it is achieved locking, thus realize clamping dress Put 100 with the quickly location of the external equipment such as Digit Control Machine Tool and locking；Then by corresponding with axial workpiece 6 Jaw 33 is removably connected on the second end face；Then clamping axial workpiece 6, particularly as follows: activate switch 4, Making elevating lever 22 do ascending motion under the driving of cylinder, slide block 31 is relative along with the rising of elevating lever 22 Slide block 31 rises, during slide block 31 contacts the contact surface 3221e of four double walls 3221, and four double walls The radial direction gradually stress of the contact surface 3221e of 3221 and along the radial direction of folder hole 3222 respectively towards folder hole 3222 Central shaft gather, so that the diameter of folder hole 3222 diminishes and can clamp axial workpiece 6 to carry out follow-up Processing, wherein, if desired unclamp part, then closing switch 4, make elevating lever 22 under the driving of cylinder Doing descending motion, slide the decline along with elevating lever 22 and opposing slider 31 declines, slide block 31 gradually leaves The contact surface 3221e of four double walls 3221, the stress of the radial direction of the contact surface 3221e of four double walls 3221 by Gradual change is little, and scatters along the radial direction central shaft away from folder hole 3222 respectively of folder hole 3222, so that The diameter table of folder hole 3222 is big and can be taken out from chuck 32 by axial workpiece 6.

The elastic part 322 of the chuck assembly 3 of this utility model offer and the chuck 32 of clamping device 100 is by extremely Few two double walls 3221 form, and at least two double wall 3221 is gathered and formed afterwards for clamp shaft class zero The folder hole 3222 of part 6, realizes precision centering for various axial workpieces 6, and versatility is relatively strong, and by sliding Block 31 matches with elastic part 322, so that elastic part 322 is with the slip of work slide block 31, its double wall 3221 Gather towards center, so that the diameter of folder hole 3222 reduces, chuck assembly 3 and power control mechanism 1 and biography Motivation structure 2 matches so that clamping device 100 can Automatic-clamping and unclamp axial workpiece 6, it is possible to once Property carry out the automatic processing of multiple axial workpiece 6, thus provide that a kind of versatility is relatively strong, it is many to clamp The chuck assembly 3 of individual circular shaft-type parts to be processed 6 and clamping device 100.

The clamping device 100 that this utility model provides sets annular protrusion 3223 also by top end face 3221c ring, Anti-limited slip block 31 without departing from chuck 32, optimizes the structure of chuck assembly 3 in uphill process further, from And improve the reliability of clamping device 100.

The clamping device 100 that this utility model provides, also by arranging two guide posts 23, improves cunning further Stationarity when block 31 slides, with the clamping of more precise control chuck 32 with unclamp.

This utility model provide clamping device 100 also by arranging latch assembly 13 on the pedestal 11 so that Clamping device 100 can lock onto on the external equipments such as Digit Control Machine Tool.

It should be understood that the clamping device 100 that this utility model embodiment provides can not only clamp shaft class zero Part 6, it is also possible to clamping disk part by performing.

It is above preferred implementation of the present utility model, it is noted that for the common skill of the art For art personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, These improvements and modifications are also considered as protection domain of the present utility model.

Claims (14)

1. a chuck assembly, is used for clamping axial workpiece, it is characterised in that include slide block, chuck and at least two jaw；

Described chuck includes the fixed part along self axial opposing setting and elastic part；Described fixed part is used for being fixedly arranged on external equipment；Described elastic part includes that at least two double wall, described at least two double wall crowd around the folder hole formed for clamping described axial workpiece, and described double wall has contact surface, and the axial direction of the most described folder hole of bearing of trend of described contact surface tilts；Described jaw is consistent with the quantity of described double wall, and described jaw is removably connected on described double wall；

Described slide block is slidably connected to described chuck, and contact surface described in described shoe contact, during the most described chuck of described slip slides, contact surface described in described slipper push, so that described at least two double wall is gathered towards the central shaft of described folder hole respectively along the radial direction of described folder hole, jaw described at least two clamps described axial workpiece.

Chuck assembly the most according to claim 1, it is characterised in that the contact surface of described double wall is the conical surface that the direction external diameter along described fixed part to described elastic part becomes larger；Described slide block offers slide opening, and described chuck is positioned in described slide opening, and described slide opening is taper hole.

Chuck assembly the most according to claim 2, it is characterized in that, described double wall includes along the axially extending of described folder hole and away from the top end face of described fixed part, described chuck also includes the annular protrusion consistent with the quantity of described double wall, described annular protrusion is located on the top end face of described double wall, described annular protrusion includes the first end face and second end face of the axial opposing setting along described folder hole, slide block described in described first end contact；Described jaw is removably connected on described second end face.

Chuck assembly the most according to claim 3, it is characterised in that described jaw is connected by screw on described second end face.

Chuck assembly the most according to claim 1 and 2, it is characterised in that the quantity of described double wall is four.

Chuck assembly the most according to claim 1, it is characterised in that described chuck is two, and said two chuck is slidably connected on described slide block respectively.

7. a clamping device, it is characterised in that include power control mechanism, drive mechanism and the least one set chuck assembly as described in claim 1～6 any one；

Described drive mechanism includes that fixed plate and elevating lever, described fixed plate are fixed on described power control mechanism, and described elevating lever passes described fixed plate, and the two ends of described elevating lever are connected on described power control mechanism and described slide block；

The fixed part of described chuck is fixed in described fixed plate；

When described elevating lever rises, described slide block is slidably connected to described chuck, and contact surface described in described shoe contact, during the most described chuck of described slip slides, contact surface described in described slipper push, so that described at least two double wall is gathered towards the central shaft of described folder hole respectively along the radial direction of described folder hole, jaw described at least two clamps described axial workpiece.

Clamping device the most according to claim 7, it is characterized in that, described drive mechanism also includes two guide posts, one end of two described guide posts is respectively fixedly connected with in described fixed plate, and described chuck is between two described guide posts, the other end of two described guide posts is slidably connected on described slide block respectively.

Clamping device the most according to claim 7, it is characterized in that, described power control mechanism includes base, Power Component and latch assembly, described Power Component is arranged on described base, and it is connected to one end of described elevating lever, described latch assembly is arranged on the corner on described base, and described latch assembly is for locking onto external equipment by described base.

Clamping device the most according to claim 9, it is characterised in that described latch assembly includes locking cylinder, first spheroid and multiple second spheroid and check lock lever；

One end loops of described locking cylinder sets and convexes to form limiting section, and described locking cylinder is attached on described base through described base and described limiting section, and the lockhole corresponding with described second spheroid is offered in another end of described locking cylinder；

The plurality of second spheroid is arranged at the inside of described locking cylinder, and described second spheroid is directed at described lockhole, and described first spheroid is arranged on the plurality of second spheroid；

Described check lock lever is slidably connected in described locking cylinder, and described check lock lever is resisted against on described first spheroid；

When pressing under described check lock lever, described first spheroid extrudes the plurality of second spheroid, so that described second spheroid is positioned in described lockhole.

11. clamping devices according to claim 7, it is characterised in that the quantity of described chuck assembly is three groups.

12. clamping devices according to claim 7, it is characterised in that described clamping device also includes that protective cover, described protective cover are fixed in described fixed plate, the top of described protective cover is just to described slide block, and described jaw is positioned at the outside of described protective cover.

13. clamping devices according to claim 7, it is characterised in that described clamping device also includes switch, and described switch is electrically connected to described power control mechanism.

14. clamping devices according to claim 7, it is characterised in that the quantity of described chuck assembly is three groups.